CCTA-derived 3D-GLS had an inverse correlation with CCTA-LVEF(r=-0.75, p?&lt;?0.05). Intraobserver agreements for CCTA-derived 3D-global strain were good (ICC?=?0.856 for 3D-GLS, ICC?=?0.741 for 3D-GCS and ICC?=?0.762 for 3D-GRS). 2D global strain showed statistical differences between the two modalities (p＜0.05 for all), but close correlations were observed regarding 2D LV global strain (2D-GRS, r?=?0.80; 2D-GCS, r?=?0.81; 2D-GLS, r?=?0.81, respectively, p?&lt;?0.001 for all). The average radiation dose-long-product (DLP) of CCTA was 387.86?±?89.3?mGy*cm.
CCTA-derived 3D-GLS can provide both reliable and interchangeable results for quantitative assessment of myocardial mechanical changes in HF patients compared to CMR with good intra-observer agreement.
CCTA-derived 3D-GLS can provide both reliable and interchangeable results for quantitative assessment of myocardial mechanical changes in HF patients compared to CMR with good intra-observer agreement.To compare the image quality and late gadolinium enhancement (LGE) quantification between free-breathing motion-corrected and conventional breath-hold LGE method in a variety of cardiovascular diseases.
149 consecutive patients underwent contrast-enhanced cardiac magnetic resonance examination employing both free-breathing motion-corrected LGE and conventional breath-hold LGE method. Scan time, contrast-to-noise ratio, overall image quality score and LGE mass were measured and analyzed statistically.
Free-breathing motion-corrected LGE method had a shorter scan time and higher overall image quality score in comparison with conventional breath-hold LGE method (p?&lt;?0.001). Univariate/multivariate logistic regression analysis showed that breath-holding difficulty, high heart rate and arrhythmia could be predictive factors possibly for an inferior image quality score (p?&lt;?0.05 for all). The contrast-to-noise ratios of free-breathing motion-corrected LGE images were higher than those of conventional br free-breathing motion-corrected LGE image should be taken into consideration when LGE pattern involves subepicardial and/or transmural myocardium.To investigate whether or not F-FDG accumulation in normal or less-affected lung fields increased in non-small cell lung cancer (NSCLC) patients with postoperative acute exacerbation (PAE) of interstitial lung disease (ILD) MATERIAL AND METHODS Thirty-six NSCLC patients with ILD and 50 patients without ILD (non-ILD patients) underwent pre-operative F-FDG-PET/CT at 2 institutions. Volume-of-interest (VOI) was placed to measure the mean standardized uptake value (SUV) in normal or less-affected lung fields at pre-defined 12 areas on ventral and dorsal locations of both lungs. SUVwas defined as corrected SUVby using TF and mean computed tomography density on PET/CT. Harmonized SUV(hSUV) and SUV(hSUV) were calculated based on results of phantom study, which was performed to optimize the measured SUV difference among 2 institutions. Both the h-SUVand the h-SUVwere compared between 8 patients with PAE of ILD (PAE group) or remaining 28 patients without PAE of ILD (non-PAE group) and non-ILD patients in each of the 12 areas.
The hSUVin PAE group was higher in 9 out of 12 locations as compared with non-ILD patients, whereas the hSUVwas mostly similar between non-PAE group and non-ILD patients. In contrast, the hSUVin non-PAE group was similar to that in PAE group, and higher than in non-ILD patients in most locations.
F-FDG-PET/CT demonstrated increased SUValong with elevated SUVin normal or less-affected lung fields for NSCLC patients with PAE of ILD, which may reflect regional invisible fibrosis and inflammatory change.
18F-FDG-PET/CT demonstrated increased SUVmean along with elevated SUVTF in normal or less-affected lung fields for NSCLC patients with PAE of ILD, which may reflect regional invisible fibrosis and inflammatory change.To investigate whether volumetric measurements of the whole-body tumor volume (WBTV) are feasible and whether they improve inter-reader variability in patients in whom conventional RECIST 1.1 assessment yielded discordant results.
50 patients (29 male, 21 female, mean age 60.9?±?12.3 years) with metastases of solid tumors in whom three readers had selected different sets of target lesions and subsequently reached different results for response assessment (progressive vs. non-progressive disease) when using RECIST 1.1 were included. In a second read, all readers performed volumetric measurements of the WBTV on neck/chest/abdomen/pelvis CTs and measured the time needed for these measurements. Cohen's kappa and Fleiss kappa statistics were used to compare the intra- and inter-reader agreement for response assessment.
In 8/50 patients (16 %), the WBTV was too extensive for volumetric measurements and these patients were therefore excluded. In the remaining 42 patients, WBTV measurements required a mean timeessment results when following conventional RECIST 1.1 guidelines. https://www.selleckchem.com/products/ferrostatin-1.html This supports the hypothesis, that a limited subset of metastases may not be sufficient to accurately assess response-to-treatment.Non-typhoidal Salmonella is one of the most common causes of bacterial foodborne disease and consumption of contaminated poultry products, including turkey, is one source of exposure. Minimizing Salmonella colonization of commercial turkeys could decrease the incidence of Salmonella-associated human foodborne illness. Understanding host responses to these bacteria is critical in developing strategies to minimize colonization and reduce food safety risk. In this study, we evaluated bacterial load and blood leukocyte transcriptomic responses of 3-week-old turkeys challenged with the Salmonella enterica serovar Typhimurium (S. Typhimurium) UK1 strain. Turkeys (n = 8/dose) were inoculated by oral gavage with 108 or 1010 colony forming units (CFU) of S. Typhimurium UK1, and fecal shedding and tissue colonization were measured across multiple days post-inoculation (dpi). Fecal shedding was 1-2 log10 higher in the 1010 CFU group than the 108 CFU group, but both doses effectively colonized the crop, spleen, ileum, cecum, colon, bursa of Fabricius and cloaca without causing any detectable clinical signs in either group of birds.